Multiple choice

The industrial preparation of aluminium from bauxite involves the process of

  1. fractional crystallisation

  2. fractional distillation

  3. electrolysis

  4. reduction

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The industrial extraction of aluminium from its ore, bauxite, is achieved through the Hall-Heroult process, which relies on the electrolysis of molten alumina.